V-ring packing dominates Well Service Pump Packing due to its self-energizing design, where axial compression forces V-lips radially against the plunger and housing. Stacked in sets of 3–7 rings, they adapt to wear and misalignment. Fabric-reinforced NBR or HNBR provides tear strength in abrasive fluids. Header rings (top) and junk rings (bottom) contain debris and distribute load. Br... https://globalsealstech.com/product-category/oil-gas-seals/high-pressure-water-pump-seals/